Asynchronous, non-blocking I/O, event based PHP library for writing custom TCP/IP client and server implementations. From it's previous versions, library inherits a full blown stable support for XMPP protocol stack. In v3.0, support for HTTP protocol stack was also added.
WebSocket emulation - Erlang server
BOSH (bidirectional stream over http) connection manager written on top of Erlang OTP
Erlang XMPP library
Robust and scalable Jabber / XMPP Instant Messaging platform